吡咯, 噻酚和呋喃的情况就是这样.Such is the case in pyrrole, thiophene, and furan.研究结果表明关键步骤为原料 4- 甲基 -2, 3- 呋喃二酮的合成.It'shows that the key step is the synthesis of 4 - methyl - dihydro - furan - 2 , 3 - dione.用糠醇和糠醛缩聚制备了新型呋喃树脂.A n...
宇航员在航天舱里工作生活.The astronauts work and live in the space capsule.航天舱在重返大气层时产生高热.The capsule gets very hot on re - entry.漂浮套管用于使降落于海面的航天舱浮于海面.Flotation collars are used to buoy space capsules that land in the sea....
The walls were adorned with paintings.墙上装饰了绘画。And his coat was adorned with a flamboyant bunch of flowers.他的外套上面装饰着一束艳丽刺目的鲜花.The apt citations and poetic gems have adorned his speeches.贴切的引语和珠玑般的诗句为他的演说词增添文采....
Stylistically, Weller is treading a similar path to that of Lenny Kravitz.在风格上，韦勒与伦尼·克拉维茨走着相似的路子。Objective To study the clinical value of treading after cataract posterior capsulotomy via pars plana.目的探讨经睫状体平坦部切口行晶状体后囊膜切...
It also means, pilots complain, that the pilot surrenders control.飞行员们抱怨说, 这还意味着飞行员交出了控制权.He had finally accomplished his dream of becoming a pilot.他最终实现了成为一名飞行员的梦想。As the plane was tossed up and down, the pilot tried to...
five dermatology clinics五间皮肤科诊所Money will be directed primarily towards the maintenance and rehabilitation of schools, clinics and machinery.资金将主要用于学校、诊所和机器设备的维护和修缮。Some have regular clinics staffed by nursing officers.一...
这些发现为研究减数分裂以及有丝分裂和减数分裂中动粒调节的演变提供了基础.These findings provide insights into the evolution of meiosis and kinetochore regulation during mitosis and meiosis....